204541 ANTONOV, UA
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS43576 KUMIR-AS, UA
AS1820 WNET, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 71247 AS204541 ORIGIN Originate: 256 /24.00 Transit: 0 /0.00 ANTONOV, UA
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 63207 AS204541 ANTONOV, UA 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 185.239.185.0/24 3257 1820 204541
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS204541 1 More Specifics 1 Total Advertisements ANTONOV, UA
185.239.185.0/24 185.239.184.0/22
whois: 402603
IANA has recorded AS204541 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS204541\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS203940 - AS205662'
as-block: AS203940 - AS205662
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS204541'
% Abuse contact for 'AS204541' is 'mail@antonov.com'
aut-num: AS204541
as-name: ANTONOV
org: ORG-AC158-RIPE
import: from AS43576 accept ANY
export: to AS43576 announce AS204541
import: from AS39049 accept ANY
export: to AS39049 announce AS204541
import: from AS41435 accept ANY
export: to AS41435 announce AS204541
admin-c: BSO12-RIPE
tech-c: BSO12-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ANTONOV-MNT
created: 2018-02-20T12:11:15Z
last-modified: 2020-11-16T17:52:17Z
source: RIPE
sponsoring-org: ORG-FNL21-RIPE
organisation: ORG-AC158-RIPE
org-name: JSC "Antonov"
country: UA
reg-nr: 14307529
org-type: OTHER
address: 03062, Ukraine, Kyiv, Ak. Tupoleva Str., build. 1
abuse-c: ACRO14017-RIPE
mnt-ref: ANTONOV-MNT
mnt-by: ua-fibernet-1-mnt
created: 2018-02-15T11:13:50Z
last-modified: 2026-05-13T05:26:51Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)